diff options
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index cebbf04b460..7f6b549b0fb 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -2530,6 +2530,8 @@ simplify_relational_operation (enum rtx_code code, enum machine_mode mode, && ! ((GET_CODE (op0) == REG || GET_CODE (trueop0) == CONST_INT) && (GET_CODE (op1) == REG || GET_CODE (trueop1) == CONST_INT)) && 0 != (tem = simplify_binary_operation (MINUS, mode, op0, op1)) + /* We cannot do this for == or != if tem is a nonzero address. */ + && ((code != EQ && code != NE) || ! nonzero_address_p (tem)) && code != GTU && code != GEU && code != LTU && code != LEU) return simplify_relational_operation (signed_condition (code), mode, tem, const0_rtx); |